The latest research into the link between germs and mental illness -- and what we all need to know.
Grammy-award-winning banjo player and singer Ralph Stanley on the history and future of the remarkable music he brought from his home in the mountains of southwest Virginia to the world.
- Dr. Ralph Stanley musician; awarded the National Medal of Arts in 2006; awarded a Grammy in 2002 for his song "Oh Death," featured on the soundtrack for O Brother, Where Art Thou?
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